Best Bore Micrometers

Mitutoyo 177-315 Setting Ring, 2.5\ Size, 0.79\ Width, 4.41\ Outside Diameter, +/-0.00006\ Accuracy

Actual inside diameter is marked on each ring.
It is used as an accessory for inside micrometers, hottest and dial bore gauge.
Used for quick zero adjustment of dial bore gauges, hottest, and inside micrometers.
Package Dimensions: 13.208 L x 3.048H x13.716W(centimeters).

Mitutoyo 177-283 Setting Ring, 0.425\ Size, 0.39\ Width, 1.26\ Outside Diameter, +/-0.00004\ Accuracy

Actual inside diameter is marked on each ring.
It is used as an accessory for inside micrometers, hottest and dial bore gauge.
Used for quick zero adjustment of dial bore gauges, hottest, and inside micrometers.
Package Dimensions: 5.334 L x 2.286H x5.588W(centimeters).

Mitutoyo 177-286 Setting Ring 20mm Size 10mm Width 45mm Outside Diameter +/-1.5Micrometer Accuracy

Actual inside diameter is marked on each ring.
It is used as an accessory for inside micrometers, hottest and dial bore gauge.
Used for quick zero adjustment of dial bore gauges, hottest, and inside micrometers.
Package Dimensions: 5.334 L x 2.032H x5.588W(centimeters).

Mitutoyo 177-284 Setting Ring, 12mm Size, 10mm Width, 32mm Outside Diameter, +/-1.5Micrometer Accuracy

Actual inside diameter is marked on each ring.
It is used as an accessory for inside micrometers, hottest and dial bore gauge.
Used for quick zero adjustment of dial bore gauges, hottest, and inside micrometers.
Package Dimensions: 5.334 L x 0.762H x5.334W(centimeters).

Mitutoyo 177-125 Setting Ring, 8mm Size, 10mm Width, 32mm Outside Diameter, +/-1.5Micrometer Accuracy

Actual inside diameter is marked on each ring.
It is used as an accessory for inside micrometers, hottest and dial bore gauge.
Used for quick zero adjustment of dial bore gauges, hottest, and inside micrometers.
Package Dimensions: 5.334 L x 1.778H x5.588W(centimeters).

INSIZE 6313-0D275 Setting Ring, 0.275\ Diameter

Three points internal micrometers and bore gages.
Example, when specified a 2" ring, marking may read 20008".

INSIZE 6313-0D8 Setting Ring, 0.8\ Diameter

Three points internal micrometers and bore gages.
Example : When specified a 2" ring, marking may read 20008".

INSIZE 6313-2D5 Setting Ring, 2.5\ Diameter

Three points internal micrometers and bore gages.
Example : When specified a 2" ring, marking may read 20008".

Anytime Tools Micrometer Set and Dial Bore Gauge 0.7\-6\/0.0005\ Deep Engine Hole Cylinder Measurement Gage

Bore Gauge: Measures bore to 10" deep, Range 0.7" to 6" diameter. Accuracy: 0.0005" with Crisp Precision Graduations. Includes gage and interchangeable contact points..
Bore Gauge: Carbide tip on measuring plunger. Dial indicator contains jeweled bearings, ABS storage case included.
Micrometer Set: Includes 6 Premium Quality Micrometers with measuring ranges: 0-1.